From: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Date: Mon, 10 Feb 2014 17:58:51 +0000 (-0500)
Subject: HID: usbhid: change return error of usbhid_output_report
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=ddea1af9d9387665ee194ae1d98ec0d49c169313;p=openwrt%2Fstaging%2Fblogic.git

HID: usbhid: change return error of usbhid_output_report

If there is no urbout when sending a output report, ENOSYS (Function
not implemented) is a better error than EIO (I/O error).

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---

diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index b9a770f4d7ae..0d1d87533f48 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -922,7 +922,7 @@ static int usbhid_output_report(struct hid_device *hid, __u8 *buf, size_t count)
 	int actual_length, skipped_report_id = 0, ret;
 
 	if (!usbhid->urbout)
-		return -EIO;
+		return -ENOSYS;
 
 	if (buf[0] == 0x0) {
 		/* Don't send the Report ID */